Nick is selling software and earns 12% of his sales as a commission. If he sells a total of $668 in software this week, how much is his
commission?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.